:root {
  --ink: #1d1d1f;
  --muted: #6e6e73;
  --paper: #f5f5f7;
  --white: #fff;
  --line: rgba(29, 29, 31, .12);
  --soft-line: rgba(29, 29, 31, .08);
  --accent: #7b6a58;
  --max: 1180px;
  --radius: 8px;
  --shadow: 0 18px 48px rgba(0, 0, 0, .07);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Segoe UI", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.48;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: geometricPrecision;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  background: linear-gradient(180deg, rgba(255,255,255,.72), rgba(255,255,255,0) 38%, rgba(255,255,255,.38));
}

img, video { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
.page-noise { display: none; }

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  min-height: 58px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 12px 48px;
  background: linear-gradient(180deg, rgba(255,255,255,.78), rgba(245,245,247,.58));
  border-bottom: 1px solid rgba(29, 29, 31, .06);
  backdrop-filter: saturate(180%) blur(24px);
}
.site-header.is-scrolled { background: linear-gradient(180deg, rgba(255,255,255,.9), rgba(245,245,247,.74)); }

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}
.brand-mark {
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(29,29,31,.18);
  border-radius: 7px;
  background: var(--white);
  font-weight: 700;
  font-size: 13px;
}
.brand-logo {
  width: auto;
  height: 32px;
  object-fit: contain;
}
.brand strong,
.brand em {
  display: block;
  white-space: nowrap;
}
.brand strong { font-size: 13px; font-weight: 650; }
.brand em { font-style: normal; font-size: 10px; opacity: .58; text-transform: uppercase; }

.site-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 12px;
  font-weight: 520;
}
.site-nav a { color: rgba(29,29,31,.72); transition: color .2s ease; }
.site-nav a:hover { color: var(--ink); }
.lang-link {
  min-width: 46px;
  padding: 5px 10px;
  border: 1px solid rgba(29,29,31,.16);
  border-radius: 999px;
  background: var(--white);
  text-align: center;
}
.nav-toggle {
  display: none;
  width: 38px;
  height: 38px;
  border: 1px solid rgba(29,29,31,.14);
  border-radius: 999px;
  background: var(--white);
  padding: 10px;
}
.nav-toggle span {
  display: block;
  height: 1px;
  background: var(--ink);
  margin: 7px 0;
}

.home-modules { min-height: 100vh; }
.hero {
  min-height: 100svh;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  align-items: center;
  gap: 0;
  padding: 118px 74px 78px;
  background: var(--paper);
  position: relative;
  overflow: hidden;
}
.hero-video-section {
  width: 100%;
  min-height: 100svh;
  background: #111;
  color: var(--hero-text, #fff);
}
.hero-media-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background: #111;
}
.hero-media-bg video,
.hero-media-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .94;
}
.hero-video-section::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: rgba(0, 0, 0, var(--hero-overlay-opacity, .34));
}
.hero-copy {
  position: relative;
  z-index: 2;
  max-width: 930px;
}
.hero-video-section .kicker,
.hero-video-section .hero-lead { color: rgba(255,255,255,.82); }
.hero-video-section .btn.primary { background: #fff; color: #1d1d1f; border-color: #fff; }
.hero-video-section .btn.secondary { color: #fff; background: rgba(255,255,255,.12); border-color: rgba(255,255,255,.34); backdrop-filter: blur(18px); }
.kicker {
  margin: 0 0 18px;
  color: var(--accent);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
}
.hero h1,
.section h2,
.contact-section h2,
.subpage-hero h1,
.article-hero h1 {
  margin: 0;
  line-height: 1.03;
  font-weight: 720;
}
.hero h1 {
  max-width: 820px;
  font-size: calc(var(--hero-title-size, 80px) * var(--heading-scale, 1));
  text-wrap: balance;
}
.hero-lead,
.section-head p:not(.kicker),
.contact-copy p,
.subpage-hero p,
.article-hero p {
  color: var(--muted);
  font-size: 20px;
  font-weight: 400;
}
.hero-lead { max-width: 710px; margin: 28px 0 0; }
.hero-actions,
.section-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: 34px;
}
.section-actions { margin-top: 0; }

.btn {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 18px;
  border: 1px solid rgba(29,29,31,.16);
  border-radius: 999px;
  background: var(--white);
  font-size: 14px;
  font-weight: 560;
  box-shadow: 0 1px 0 rgba(255,255,255,.58) inset;
}
.btn.primary { background: var(--ink); color: var(--white); border-color: var(--ink); }
.btn.secondary { color: var(--ink); }
.text-link {
  display: inline-flex;
  margin-top: 18px;
  color: var(--ink);
  font-size: 14px;
  font-weight: 650;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.hero-lab { width: min(100%, 560px); justify-self: end; }
.material-stage {
  position: relative;
  aspect-ratio: 1 / 1.02;
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--soft-line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: transform .2s ease;
}
.material-stage img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: hue-rotate(var(--mat-hue, 24deg)) saturate(.8) contrast(1.02) brightness(1.08);
}
.material-stage::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, transparent 0 38%, rgba(255,255,255,var(--mat-gloss, .2)) 48%, transparent 58%),
    repeating-linear-gradient(90deg, rgba(255,255,255,var(--mat-grain, .04)) 0 1px, transparent 1px 7px);
  mix-blend-mode: screen;
}
.scan-line {
  position: absolute;
  left: 0;
  right: 0;
  top: 22%;
  height: 1px;
  background: rgba(255,255,255,.74);
  animation: scan 5.8s ease-in-out infinite;
}
@keyframes scan {
  0%, 100% { transform: translateY(0); opacity: .22; }
  50% { transform: translateY(300px); opacity: .72; }
}
.sample-chip {
  position: absolute;
  right: 24px;
  width: 62px;
  height: 62px;
  border: 1px solid rgba(255,255,255,.8);
  border-radius: 8px;
  box-shadow: 0 18px 44px rgba(0,0,0,.12);
}
.chip-a { bottom: 166px; background: #eee8dd; }
.chip-b { bottom: 96px; background: #8aa3a0; }
.chip-c { bottom: 26px; background: #c58c63; }
.lab-panel {
  display: grid;
  gap: 12px;
  margin-top: 12px;
  padding: 14px;
  background: var(--white);
  border: 1px solid var(--soft-line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.lab-panel div {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 12px;
  align-items: center;
  color: var(--muted);
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
}
.lab-panel input { width: 100%; accent-color: var(--ink); }
.hero-strip {
  position: absolute;
  z-index: 2;
  left: 74px;
  right: 74px;
  bottom: 22px;
  display: flex;
  justify-content: space-between;
  gap: 24px;
  color: rgba(29,29,31,.54);
  font-size: 13px;
}
.hero-video-section .hero-strip { color: rgba(255,255,255,.66); }
.hero-video-section .ticker { color: rgba(255,255,255,.44); }
.ticker { display: flex; gap: 18px; color: rgba(29,29,31,.34); }

.stats-band {
  width: min(var(--max), calc(100% - 48px));
  margin: -34px auto 0;
  position: relative;
  z-index: 5;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  padding: 12px;
  background: var(--stats-bg, var(--white));
  border: 1px solid var(--soft-line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  color: var(--stats-text, var(--ink));
}
.stats-bg-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: var(--stats-img-opacity, .14);
  filter: saturate(.8) blur(.2px);
  z-index: 0;
  pointer-events: none;
}
.stats-band div {
  position: relative;
  z-index: 1;
  min-height: 170px;
  padding: 24px;
  border: 1px solid rgba(255,255,255,.34);
  border-radius: var(--radius);
  background: var(--stat-bg, var(--stats-card, rgba(255,255,255,.72)));
  box-shadow: 0 18px 44px rgba(0,0,0,.07);
  backdrop-filter: blur(24px) saturate(160%);
  overflow: hidden;
}
.stats-shadow-none div { box-shadow: none; }
.stats-shadow-deep div { box-shadow: 0 24px 70px rgba(0,0,0,.16); }
.stats-band div > img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 0;
  opacity: var(--stat-img-opacity, .18);
  z-index: 0;
  pointer-events: none;
}
.stats-band i {
  position: relative;
  z-index: 1;
  display: block;
  width: 34px;
  height: 34px;
  border: 1px solid currentColor;
  border-radius: 50%;
  color: var(--stat-color, var(--accent));
  opacity: .78;
}
.stats-band i::before {
  content: "";
  display: block;
  width: 10px;
  height: 10px;
  margin: 11px;
  border-radius: 50%;
  background: currentColor;
}
.stats-band strong { position: relative; z-index: 1; display: block; margin-top: 34px; color: var(--stat-color, var(--ink)); font-size: 46px; line-height: 1; font-weight: 720; }
.stats-band span { position: relative; z-index: 1; display: block; margin-top: 10px; color: var(--stats-muted, var(--muted)); font-size: 13px; }
.stats-float [data-reveal] { transform: translateY(34px) scale(.98); }
.stats-dissolve [data-reveal] { filter: blur(10px); }
.stats-dissolve [data-reveal].is-visible { filter: blur(0); }

.section {
  width: min(var(--max), calc(100% - 48px));
  margin: 0 auto;
  padding: 118px 0 0;
}
.home-module--compact { width: min(920px, calc(100% - 48px)); }
.home-module--full { width: 100%; max-width: none; }
.home-module--wide { width: min(var(--max), calc(100% - 48px)); }
.section-head { max-width: 800px; margin-bottom: 46px; }
.section-head h2,
.contact-section h2 { font-size: calc(56px * var(--heading-scale, 1)); text-wrap: balance; }
.row-head {
  max-width: none;
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 28px;
}

.service-group { margin-top: 42px; }
.service-archive-group { margin-top: 76px; }
.service-group h3 {
  margin: 0 0 16px;
  font-size: 22px;
  font-weight: 700;
}
.service-archive-group h2 { margin: 0 0 18px; font-size: 34px; }
.archive-service-grid { margin-top: 36px; }
.service-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}
.service-card {
  min-height: 260px;
  padding: 24px;
  background: linear-gradient(180deg, rgba(255,255,255,.84), rgba(255,255,255,.66));
  border: 1px solid var(--soft-line);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  color: inherit;
  transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
  backdrop-filter: blur(18px) saturate(140%);
  box-shadow: 0 1px 0 rgba(255,255,255,.65) inset;
}
.service-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: rgba(29,29,31,.18); }
.service-icon {
  width: 36px;
  height: 36px;
  border: 1px solid rgba(29,29,31,.24);
  border-radius: 8px;
  position: relative;
  color: var(--icon);
}
.service-visual {
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: 7px;
  background: var(--paper);
}
.service-visual img { width: 100%; height: 100%; object-fit: cover; }
.service-icon::before,
.service-icon::after {
  content: "";
  position: absolute;
  inset: 10px;
  border: 1px solid currentColor;
  transform: rotate(45deg);
}
.service-icon[data-icon="layers"]::after { transform: translate(5px, 5px) rotate(45deg); }
.service-icon[data-icon="radar"] { border-radius: 50%; }
.service-icon[data-icon="radar"]::before { border-radius: 50%; transform: none; }
.service-icon[data-icon="gauge"]::before { border-radius: 50% 50% 0 0; transform: none; border-bottom: 0; }
.service-card h4 { margin: 34px 0 12px; font-size: 20px; line-height: 1.16; }
.service-card p { margin: 0; color: var(--muted); font-size: 14px; }
.service-card em { margin-top: 18px; color: var(--accent); font-style: normal; font-size: 13px; font-weight: 700; }

.process {
  margin-top: 118px;
  padding: 118px 74px;
  background: var(--white);
  border-top: 1px solid var(--soft-line);
  border-bottom: 1px solid var(--soft-line);
}
.process.home-module--compact {
  width: min(920px, calc(100% - 48px));
  padding-left: 36px;
  padding-right: 36px;
}
.process.home-module--wide { width: min(var(--max), calc(100% - 48px)); }
.process.home-module--full {
  width: 100%;
  max-width: none;
}
.process .section-head,
.process-rail { width: min(var(--max), 100%); margin-left: auto; margin-right: auto; }
.process-rail {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--soft-line);
}
.process-step { min-height: 226px; padding: 30px 24px 8px 0; border-right: 1px solid var(--soft-line); }
.process-step:last-child { border-right: 0; }
.process-step span { color: var(--accent); font-size: 12px; font-weight: 700; }
.process-step h3 { margin: 48px 0 12px; font-size: 22px; line-height: 1.16; }
.process-step p { margin: 0; color: var(--muted); font-size: 14px; }

.icon-btn {
  width: 38px;
  height: 38px;
  border: 1px solid rgba(29,29,31,.12);
  border-radius: 999px;
  background: var(--white);
  cursor: pointer;
}
.case-slider {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(420px, 62%);
  gap: 16px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding-bottom: 18px;
}
.home-card-grid {
  display: grid;
  grid-template-columns: repeat(var(--home-grid-cols, 2), minmax(0, 1fr));
  gap: 18px;
}
.home-card-grid .case-card {
  grid-template-columns: 1fr;
  min-height: 0;
}
.home-card-grid .case-card .case-media img { aspect-ratio: 16 / 10; }
.home-card-grid .case-body { min-height: 300px; }
.home-card-grid.insight-grid { align-items: stretch; }
.home-preview-card,
.home-preview-card .image-card-link {
  min-height: var(--home-card-height, 460px);
}
.case-slider .home-preview-card {
  min-width: 0;
}
.case-slider .home-preview-card .image-card-link {
  height: 100%;
}
.case-card {
  scroll-snap-align: start;
  background: var(--white);
  border: 1px solid var(--soft-line);
  border-radius: var(--radius);
  display: grid;
  grid-template-columns: .95fr 1fr;
  min-height: 430px;
  overflow: hidden;
  box-shadow: var(--shadow);
}
.case-media img,
.case-card img { width: 100%; height: 100%; object-fit: cover; }
.case-body { padding: 38px; display: flex; flex-direction: column; }
.case-industry { margin: 0 0 16px; color: var(--accent); font-size: 12px; font-weight: 700; }
.case-card h3 { margin: 0; font-size: 34px; line-height: 1.08; }
.case-card p { color: var(--muted); font-size: 15px; }
.tags { margin-top: auto; display: flex; flex-wrap: wrap; gap: 8px; }
.tags span {
  border: 1px solid rgba(123,106,88,.28);
  color: var(--accent);
  border-radius: 999px;
  padding: 7px 10px;
  font-size: 12px;
  font-weight: 560;
}

.insights { padding-bottom: 118px; }
.insight-list { border-top: 1px solid var(--soft-line); }
.insight-row {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 54px;
  padding: 32px 0;
  border-bottom: 1px solid var(--soft-line);
}
.insight-row time { color: var(--muted); font-size: 13px; font-weight: 560; }
.insight-row span { color: var(--accent); font-size: 12px; font-weight: 700; }
.insight-row h3,
.insight-row h2 { margin: 8px 0 10px; font-size: 30px; line-height: 1.12; }
.insight-row p { margin: 0; color: var(--muted); max-width: 780px; }

.custom-section .custom-body {
  max-width: 840px;
  padding: 32px;
  background: var(--white);
  border: 1px solid var(--soft-line);
  border-radius: var(--radius);
}
.custom-body p { color: var(--muted); font-size: 18px; }

.contact-section {
  display: grid;
  grid-template-columns: minmax(0, .95fr) minmax(340px, .7fr);
  gap: 82px;
  padding: 118px 74px;
  background: var(--white);
  border-top: 1px solid var(--soft-line);
}
.contact-copy { max-width: 760px; }
.contact-lines { margin: 34px 0 0; display: grid; gap: 14px; }
.contact-lines div {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 16px;
  border-top: 1px solid var(--soft-line);
  padding-top: 14px;
}
.contact-lines dt { color: var(--muted); }
.contact-lines dd { margin: 0; font-weight: 560; }
.wechat-embed {
  margin-top: 28px;
  display: flex;
  gap: 16px;
  align-items: center;
  padding: 16px;
  background: var(--paper);
  border-radius: var(--radius);
}
.wechat-embed img { width: 96px; height: 96px; border-radius: 6px; }
.wechat-embed strong,
.wechat-embed span { display: block; }
.wechat-embed span { margin-top: 6px; color: var(--muted); }
.brief-form {
  background: var(--paper);
  border: 1px solid var(--soft-line);
  border-radius: var(--radius);
  padding: 34px;
  align-self: start;
}
.brief-form label { display: grid; gap: 8px; margin-bottom: 16px; }
.brief-form span { color: var(--muted); font-size: 12px; font-weight: 560; }
.brief-form input,
.brief-form textarea {
  width: 100%;
  border: 1px solid rgba(29,29,31,.08);
  border-radius: 8px;
  background: var(--white);
  padding: 13px 12px;
  color: var(--ink);
  outline: 0;
}
.brief-form input:focus,
.brief-form textarea:focus { border-color: rgba(29,29,31,.35); }
.brief-form .btn.primary { width: 100%; border-radius: 8px; }
.form-success {
  margin: 0 0 16px;
  padding: 12px 14px;
  background: #ecf7f2;
  color: #276052;
  border: 1px solid #c8e7dc;
  border-radius: 8px;
}
.wechat-float {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 45;
  width: var(--float-width, 132px);
  padding: 10px;
  background: var(--white);
  border: 1px solid var(--soft-line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  text-align: center;
}
.wechat-float.float-left { right: auto; left: 22px; }
.wechat-float img { width: calc(var(--float-width, 132px) - 20px); height: calc(var(--float-width, 132px) - 20px); margin: 0 auto 6px; object-fit: cover; border-radius: 6px; }
.wechat-float strong { font-size: 12px; }
.wechat-float span { display: block; margin-top: 4px; color: var(--muted); font-size: 11px; line-height: 1.35; }

.site-footer {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 24px;
  padding: 36px 74px;
  text-align: center;
  color: rgba(29,29,31,.58);
  background: var(--paper);
  border-top: 1px solid var(--soft-line);
}
.site-footer strong { color: var(--ink); font-weight: 650; }
.site-footer p { margin: 8px 0 0; }
.footer-logo {
  width: auto;
  height: 42px;
  max-width: 220px;
  object-fit: contain;
  margin: 0 0 14px;
}
.footer-links { display: grid; gap: 8px; justify-items: center; }
.footer-links a { color: var(--ink); text-decoration: underline; text-underline-offset: 4px; }
.social-icons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
}
.social-link {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border: 1px solid var(--soft-line);
  border-radius: 999px;
  background: var(--white);
  color: var(--icon);
  text-decoration: none !important;
}
.social-link span {
  font-size: 13px;
  font-weight: 760;
  text-transform: uppercase;
}
.social-link img { width: 20px; height: 20px; object-fit: contain; }
.social-link em {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}
.social-link[data-social-icon="wechat"] span::before { content: "微"; }
.social-link[data-social-icon="wechat"] span { font-size: 0; }
.social-link[data-social-icon="red"] span::before { content: "RED"; font-size: 10px; }
.social-link[data-social-icon="red"] span { font-size: 0; }
.social-link[data-social-icon="linkedin"] span::before { content: "in"; font-size: 14px; }
.social-link[data-social-icon="linkedin"] span { font-size: 0; }
.social-link[data-social-icon="behance"] span::before { content: "Be"; font-size: 12px; }
.social-link[data-social-icon="behance"] span { font-size: 0; }

.subpage,
.article-page {
  width: min(var(--max), calc(100% - 48px));
  margin: 0 auto;
  padding: 124px 0 90px;
}
.subpage-entry {
  padding-top: 86px;
  scroll-margin-top: 72px;
}
.subpage-hero,
.article-hero {
  max-width: 920px;
  margin: 0 0 54px;
}
.subpage-hero h1,
.article-hero h1 { font-size: 70px; text-wrap: balance; }
.archive-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}
.archive-card {
  background: var(--white);
  border: 1px solid var(--soft-line);
  border-radius: var(--radius);
  overflow: hidden;
}
.archive-card img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; }
.image-card {
  position: relative;
  min-height: 420px;
  background: #111;
  box-shadow: var(--shadow);
}
.image-card-link {
  position: relative;
  display: block;
  min-height: 420px;
  color: #fff;
  overflow: hidden;
}
.image-card-link img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .8s cubic-bezier(.2,.8,.2,1), filter .8s cubic-bezier(.2,.8,.2,1);
}
.image-card-link::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,.08), rgba(0,0,0,.68));
}
.image-card-link:hover img { transform: scale(1.045); filter: saturate(1.05) contrast(1.04); }
.image-card-copy {
  position: absolute;
  z-index: 1;
  left: 22px;
  right: 22px;
  bottom: 22px;
  padding: 18px;
  border: 1px solid rgba(255,255,255,.22);
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(255,255,255,.18), rgba(255,255,255,.06));
  backdrop-filter: blur(22px) saturate(150%);
  box-shadow: 0 18px 54px rgba(0,0,0,.18);
}
.image-card-copy span {
  display: block;
  color: rgba(255,255,255,.76);
  font-size: 12px;
  font-weight: 760;
}
.image-card-copy h2 {
  margin: 8px 0 12px;
  color: #fff;
  font-size: 30px;
  line-height: 1.08;
}
.image-card-copy p {
  margin: 0;
  color: rgba(255,255,255,.72);
  font-size: 13px;
}
.archive-card > div { padding: 28px; }
.archive-card span { color: var(--accent); font-size: 12px; font-weight: 700; }
.archive-card h2 { margin: 8px 0 12px; font-size: 30px; line-height: 1.1; }
.archive-card h3 { margin: 8px 0 12px; font-size: 28px; line-height: 1.12; }
.archive-card p { color: var(--muted); }
.archive-card small { display: block; color: var(--muted); font-size: 12px; }
.compact-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.archive-list { margin-top: 36px; }
.article-page article { max-width: 960px; margin: 0 auto; }
.article-layout { max-width: min(1120px, 100%); }
.article-image-hero {
  position: relative;
  min-height: var(--article-hero-height, 620px);
  overflow: hidden;
  border-radius: var(--radius);
  background: #111;
  margin-bottom: 56px;
  display: grid;
  align-items: end;
}
.article-image-hero img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: var(--article-img-fit, cover);
  object-position: var(--article-img-position, center center);
  opacity: var(--article-img-opacity, .86);
}
.article-image-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,.08), rgba(0,0,0,var(--article-overlay-opacity, .64)));
}
.article-image-hero > div {
  position: relative;
  z-index: 1;
  max-width: 820px;
  padding: clamp(28px, 6vw, 64px);
  color: #fff;
}
.article-image-hero h1 {
  margin: 0;
  color: var(--article-title-color, #fff);
  font-size: calc(58px * var(--heading-scale, 1));
  line-height: 1.04;
  text-wrap: balance;
}
.article-image-hero p { color: var(--article-summary-color, rgba(255,255,255,.78)); font-size: 20px; }
.article-image-hero .kicker { color: rgba(255,255,255,.86); }
.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 30px 0 0;
}
.article-meta div {
  min-width: 128px;
  padding: 10px 12px;
  border: 1px solid rgba(255,255,255,.22);
  border-radius: 8px;
  background: rgba(255,255,255,.08);
  backdrop-filter: blur(16px);
}
.article-meta dt { margin: 0 0 3px; color: rgba(255,255,255,.62); font-size: 11px; }
.article-meta dd { margin: 0; font-weight: 650; }
.article-cover {
  width: 100%;
  border-radius: var(--radius);
  margin: 0 0 42px;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}
.article-body {
  max-width: var(--article-body-width, 760px);
  margin: 0 auto;
  color: var(--article-body-color, var(--ink));
  font-size: var(--article-body-size, 20px);
  text-align: var(--article-body-align, left);
}
.article-body p { margin: 0 0 24px; }
.article-layout-image-top .article-image-hero {
  display: block;
  min-height: 0;
  background: transparent;
  overflow: visible;
}
.article-layout-image-top .article-image-hero img {
  position: relative;
  height: var(--article-hero-height, 620px);
  border-radius: var(--radius);
}
.article-layout-image-top .article-image-hero::after,
.article-layout-split-left .article-image-hero::after,
.article-layout-split-right .article-image-hero::after { display: none; }
.article-layout-image-top .article-image-hero > div {
  color: var(--ink);
  max-width: var(--article-body-width, 760px);
  margin: 0 auto;
  padding: 34px 0 0;
}
.article-layout-image-top .article-image-hero h1,
.article-layout-split-left .article-image-hero h1,
.article-layout-split-right .article-image-hero h1 { color: var(--article-title-color, var(--ink)); }
.article-layout-image-top .article-image-hero p,
.article-layout-split-left .article-image-hero p,
.article-layout-split-right .article-image-hero p { color: var(--article-summary-color, var(--muted)); }
.article-layout-image-top .article-image-hero .kicker,
.article-layout-split-left .article-image-hero .kicker,
.article-layout-split-right .article-image-hero .kicker { color: var(--accent); }
.article-layout-image-top .article-meta div,
.article-layout-split-left .article-meta div,
.article-layout-split-right .article-meta div {
  border-color: var(--soft-line);
  background: rgba(255,255,255,.64);
  color: var(--ink);
}
.article-layout-image-top .article-meta dt,
.article-layout-split-left .article-meta dt,
.article-layout-split-right .article-meta dt { color: var(--muted); }
.article-layout-split-left .article-image-hero,
.article-layout-split-right .article-image-hero {
  display: grid;
  grid-template-columns: minmax(0, .95fr) minmax(0, 1fr);
  align-items: stretch;
  min-height: 0;
  background: var(--white);
  border: 1px solid var(--soft-line);
}
.article-layout-split-left .article-image-hero img,
.article-layout-split-right .article-image-hero img {
  position: relative;
  min-height: var(--article-hero-height, 620px);
  height: 100%;
}
.article-layout-split-left .article-image-hero > div,
.article-layout-split-right .article-image-hero > div {
  color: var(--ink);
  align-self: center;
  max-width: none;
  padding: clamp(28px, 5vw, 58px);
}
.article-layout-split-right .article-image-hero img { order: 2; }
.article-layout-split-right .article-image-hero > div { order: 1; }
.feature-block {
  max-width: 960px;
  margin: 62px auto 0;
  padding-top: 28px;
  border-top: 1px solid var(--soft-line);
}
.feature-block h2 { margin: 0 0 18px; font-size: 28px; }
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.feature-grid article {
  min-height: 132px;
  padding: 20px;
  border: 1px solid var(--soft-line);
  border-radius: var(--radius);
  background: var(--white);
}
.feature-grid span {
  display: block;
  width: 26px;
  height: 26px;
  border: 1px solid var(--icon);
  border-radius: 7px;
}
.feature-grid p { margin: 24px 0 0; color: var(--muted); }
.media-block {
  max-width: 960px;
  margin: 62px auto 0;
  padding-top: 28px;
  border-top: 1px solid var(--soft-line);
}
.media-block h2 { margin: 0 0 18px; font-size: 28px; }
.media-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}
.media-item {
  background: var(--white);
  border: 1px solid var(--soft-line);
  border-radius: var(--radius);
  overflow: hidden;
}
.media-item img,
.media-item video { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; }
.media-item a { display: grid; gap: 8px; padding: 22px; }
.media-item strong { font-size: 13px; color: var(--accent); }
.media-item span { font-size: 18px; font-weight: 650; }
.media-item em { color: var(--muted); font-style: normal; font-size: 13px; }

[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .7s ease, transform .7s ease;
}
[data-reveal].is-visible { opacity: 1; transform: translateY(0); }

@media (max-width: 980px) {
  .site-header { padding: 12px 20px; }
  .nav-toggle { display: block; }
  .site-nav:not(.static-nav) {
    position: fixed;
    inset: 64px 14px auto;
    display: grid;
    gap: 0;
    background: rgba(245,245,247,.98);
    border: 1px solid var(--soft-line);
    border-radius: 8px;
    box-shadow: var(--shadow);
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: opacity .2s ease, transform .2s ease;
  }
  .site-nav.is-open {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }
  .site-nav:not(.static-nav) a { padding: 15px 18px; border-bottom: 1px solid var(--soft-line); }
  .static-nav { gap: 16px; }
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding: 100px 24px 58px;
    gap: 36px;
  }
  .hero-video-section { min-height: 100svh; }
  .hero h1 { font-size: 58px; }
  .hero-lab { justify-self: start; width: min(100%, 620px); }
  .hero-strip { position: static; grid-column: 1; margin-top: 10px; flex-direction: column; align-items: start; }
  .stats-band { grid-template-columns: 1fr; margin-top: 0; }
  .stats-band div { border-right: 0; border-bottom: 1px solid var(--soft-line); }
  .section,
  .home-module--wide,
  .home-module--compact { width: calc(100% - 40px); }
  .section-head h2,
  .contact-section h2 { font-size: 46px; }
  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .process { padding: 90px 24px; }
  .process-rail { grid-template-columns: repeat(2, 1fr); }
  .home-card-grid { grid-template-columns: 1fr; }
  .case-slider { grid-auto-columns: minmax(340px, 84%); }
  .case-card { grid-template-columns: 1fr; }
  .case-card img { aspect-ratio: 16 / 10; }
  .contact-section { grid-template-columns: 1fr; padding: 90px 24px; }
  .archive-grid { grid-template-columns: 1fr; }
  .compact-grid { grid-template-columns: 1fr; }
  .article-image-hero { min-height: 520px; }
  .article-layout-image-top .article-image-hero,
  .article-layout-split-left .article-image-hero,
  .article-layout-split-right .article-image-hero { min-height: 0; }
  .article-layout-split-left .article-image-hero,
  .article-layout-split-right .article-image-hero { grid-template-columns: 1fr; }
  .article-layout-split-right .article-image-hero img,
  .article-layout-split-right .article-image-hero > div { order: initial; }
  .article-image-hero h1 { font-size: 46px; }
  .feature-grid { grid-template-columns: 1fr; }
  .media-grid { grid-template-columns: 1fr; }
  .subpage-hero h1,
  .article-hero h1 { font-size: 54px; }
}

@media (max-width: 640px) {
  .brand em { display: none; }
  .static-nav a:not(.lang-link) { display: none; }
  .hero { padding: 90px 18px 48px; }
  .hero-video-section { min-height: 100svh; }
  .hero h1 { font-size: 40px; }
  .hero-lead { font-size: 17px; }
  .hero-actions .btn { width: 100%; }
  .ticker { flex-wrap: wrap; gap: 8px 14px; }
  .stats-band,
  .section,
  .home-module--wide,
  .home-module--compact,
  .subpage,
  .article-page { width: calc(100% - 32px); }
  .subpage-entry { padding-top: 72px; }
  .section { padding-top: 82px; }
  .section-head h2,
  .contact-section h2,
  .subpage-hero h1,
  .article-hero h1 { font-size: 34px; }
  .article-image-hero { min-height: 430px; }
  .article-image-hero > div { padding: 24px; }
  .article-image-hero h1 { font-size: 32px; }
  .article-image-hero p { font-size: 16px; }
  .article-meta { display: grid; grid-template-columns: 1fr; }
  .hero-lead,
  .section-head p:not(.kicker),
  .contact-copy p,
  .subpage-hero p,
  .article-hero p,
  .article-body { font-size: 16px; }
  .service-grid,
  .process-rail { grid-template-columns: 1fr; }
  .process { margin-top: 82px; padding: 82px 18px; }
  .process-step { min-height: auto; border-right: 0; border-bottom: 1px solid var(--soft-line); }
  .row-head { align-items: start; flex-direction: column; }
  .case-slider { grid-auto-columns: 92%; }
  .case-card h3 { font-size: 26px; }
  .insight-row { grid-template-columns: 1fr; gap: 8px; }
  .insight-row h2,
  .insight-row h3 { font-size: 24px; }
  .contact-section { padding: 82px 16px; }
  .contact-lines div { grid-template-columns: 1fr; gap: 4px; }
  .brief-form { padding: 22px; }
  .site-footer { flex-direction: column; padding: 28px 18px; }
  .footer-links { justify-items: center; }
  .social-icons { justify-content: flex-start; }
  .wechat-float { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  [data-reveal] { opacity: 1; transform: none; }
}